Answer:
Solution given;
P:parenthesis
E:exponents
M: multiplication
D: division
A:addition
S:subtraction
Now
(7×8-4)+(6-2)
According to PEMDAS rule doing calculation inside a bracket.
(7×8-4)+(6-2)
1st doing multiplication inside a bracket
(56-4)+(6-2)
2nd subtracting inside a bracket
(52)+(4)
3rd open bracket
52+4
4th add
56
56 is a required answer.